<table border="1" class="dataframe">
  <thead>
    <tr>
      <th>foo</th>
      <th colspan="2" halign="left">a</th>
      <th>...</th>
      <th colspan="2" halign="left">b</th>
    </tr>
    <tr>
      <th></th>
      <th colspan="2" halign="left">c</th>
      <th>...</th>
      <th colspan="2" halign="left">d</th>
    </tr>
    <tr>
      <th>baz</th>
      <th>e</th>
      <th>f</th>
      <th>...</th>
      <th>e</th>
      <th>f</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <th></th>
      <td>0</td>
      <td>1</td>
      <td>...</td>
      <td>6</td>
      <td>7</td>
    </tr>
    <tr>
      <th></th>
      <td>8</td>
      <td>9</td>
      <td>...</td>
      <td>14</td>
      <td>15</td>
    </tr>
    <tr>
      <th>...</th>
      <td>...</td>
      <td>...</td>
      <td>...</td>
      <td>...</td>
      <td>...</td>
    </tr>
    <tr>
      <th></th>
      <td>48</td>
      <td>49</td>
      <td>...</td>
      <td>54</td>
      <td>55</td>
    </tr>
    <tr>
      <th></th>
      <td>56</td>
      <td>57</td>
      <td>...</td>
      <td>62</td>
      <td>63</td>
    </tr>
  </tbody>
</table>
